Nevada General Knowledge Practice Test
This is our Nevada General Knowledge Practice Quiz and Practice Test compiled of 50 questions each. Each question is worth two points for a total of 100 possible points. A passing score is 80%.
The General Knowledge Practice Quiz reveals the correct answer during each question to help you study for the actual General Knowledge test. The General Knowledge Practice Test doesn’t reveal the correct answers until the test is over.
The questions and answers are given in random order each time you retake the test. When you are finished testing, simply click on the “Get Results” button to see your test results. Clicking on the blue “List” button will reveal a list of all the questions you answered correctly and incorrectly. To take the test again, just refresh your browser window. It’s that easy.
Press the start button to begin your free General Knowledge Practice Quiz. Good luck!
General Knowledge CDL Practice Quiz
Question 1 |
A | safely remove the radiator cap and add coolant while the engine is hot. |
B | use windshield washer fluid as coolant. |
C | use only water in the cooling system. |
D | check the coolant level of a hot engine. |
Question 2 |
A | turn up the radio. |
B | stop to sleep. |
C | slap yourself in the face three times. |
D | roll down the windows. |
Question 3 |
A | leaks |
B | burning |
C | rubbing |
D | rust |
Question 4 |
A | Move forward slowly and push firmly on the brake pedal. |
B | Pump the brake pedal 3 times; push the pedal firmly 5 seconds; the pedal should not move. |
C | Pump the brake pedal 5 times; push the pedal firmly 3 seconds; the pedal should not move. |
D | Push the brake pedal firmly 5 seconds; listen for leaks. |
Question 5 |
A | rolled down windows |
B | mirrors |
C | rear view cameras |
D | sunglasses |
Question 6 |
A | drink coffee or other caffeine products to help keep you awake. |
B | keep your high beams on at all times. |
C | make sure you are driving slow enough so you can stop within the range of your headlights in case of an emergency. |
D | roll down your window so that the fresh air will help keep you awake. |
Question 7 |
A | three or more. |
B | none of these. |
C | seven or more. |
D | five or more. |
Question 8 |
A | is not affected by the condition of the service brakes. |
B | increases when the service brakes are hot. |
C | depends on the service brakes being in adjustment. |
D | decreases when the service breaks are hot. |
Question 9 |
A | eating spicy food in the truck cab |
B | under inflated tires |
C | both loose fuel connections and under inflated tires |
D | loose fuel connections |
Question 10 |
A | under-inflated tires, dual tires that touch |
B | dual tires that touch, hot road surfaces |
C | poor-quality retreads, under-inflated tires |
D | over-heated brakes, under-inflated tires |
Question 11 |
A | The same amount of space you would at night. |
B | More space than is needed for ideal driving conditions. |
C | One vehicle length for every 10,000 lb. of gross vehicle weight. |
D | The same amount of space you would on a dry road. |
Question 12 |
A | Turn on your four-way flashers as you approach the offramp. |
B | Nothing, because the posted speed limit for the offramp is usually 10 miles per hour below the safe speed limit for the offramp. |
C | Downshift after you are in the curve. |
D | Slow to a safe speed before the curve. |
Question 13 |
A | To prevent others from distracting you. |
B | To direct traffic away from you. |
C | To watch for steering errors. |
D | To see the blind spots you can't see. |
Question 14 |
A | one half inch |
B | three inches |
C | one inch |
D | two inches |
Question 15 |
A | Play in the steering wheel of more than ten degrees (two inches on a 20-inch steering wheel). |
B | Play in the steering wheel of more than five degrees. |
C | Too many vertical stacks. |
D | Oil on the tie rod. |
Question 16 |
A | before starting down a hill and before going up a hill. |
B | before starting down a hill and before entering a tunnel. |
C | before going up a hill and before entering a curve. |
D | before starting down a hill and before entering a curve. |
Question 17 |
A | offtracking. |
B | fishtailing. |
C | sidetracking. |
D | slidetracking. |
Question 18 |
A | Because tank baffles are not always legal with outage. |
B | Because some liquids expand more than others when they get warm. |
C | Because it's good to know that information. |
D | Because some of the heaviest liquids don’t need any. |
Question 19 |
A | A minimum of one. |
B | A minimum of three. |
C | A minimum of two. |
D | A minimum of four. |
Question 20 |
A | turn right and drive over the curb |
B | turn wide as you complete the turn |
C | start the turn, then back up to re-position |
D | turn wide before you start the turn |
Question 21 |
A | require greater stopping distance than full trucks |
B | need less space ahead than full trucks |
C | have the same stopping distance as full trucks |
D | have better traction when stopping than full trucks |
Question 22 |
A | 2/32-inch in every major groove. |
B | 5/32-inch in every major groove. |
C | 3/32-inch in every major groove. |
D | 4/32-inch in every major groove. |
Question 23 |
A | before operating the vehicle. |
B | whenever you stop to refuel. |
C | at least once a week. |
D | if any problems occurred the last the time the vehicle was operated. |
Question 24 |
A | the load can shift. |
B | a dry bulk tank should only be filled halfway. |
C | the load can catch fire easily. |
D | the load should not get wet. |
Question 25 |
A | the trailer is out of brake adjustment. |
B | the trailer is being hauled at high speed. |
C | the trailer is empty or lightly loaded. |
D | the trailer is fully loaded or very heavy. |
Question 26 |
A | law enforcement officers, detours |
B | tunnels, overpasses |
C | truck stops, gas stations |
D | vehicles, traffic signs |
Question 27 |
A | Turn on your 4-way emergency flashers to warn other drivers. |
B | Keep your low beam lights on. |
C | Warn other drivers by using your left turn signal lights. |
D | Put your warning devices out within 15 minutes. |
Question 28 |
A | it is a federal law. |
B | you want to have time to act before it turns into an emergency. |
C | you want to avoid doing something all of a sudden. |
D | you want to have a plan to communicate the risk. |
Question 29 |
A | you release pressure on the brake pedal and speed increases. |
B | the brake pedal feels firm when you apply pressure. |
C | you have to push harder and harder to get the same stopping power on a downgrade. |
D | there is a slight vibration when you press down on the brake pedal. |
Question 30 |
A | Use the same gear you would use to climb the hill. |
B | Use a higher gear than you would use to climb the hill. |
C | Use a lower gear than you would use to climb the hill. |
D | Shift the truck into neutral and coast down the hill to save gas. |
Question 31 |
A | to help ensure the vehicle will make it to your destination. |
B | because it is a requirement for all drivers. |
C | because law enforcement may inspect your vehicle on the road. |
D | to ensure safety for yourself, your passengers, and other drivers. |
Question 32 |
A | All of these are considered a hazard. |
B | Pedestrians and bicyclists. |
C | A stopped transit bus. |
D | Road construction zones. |
Question 33 |
A | you will be parked for a short time. |
B | testing the trailer brakes after hooking up to a trailer. |
C | it is absolutely necessary. |
D | there is ice and snow, to prevent skidding. |
Question 34 |
A | the lug nut needs to be replaced. |
B | the wheel needs cleaning. |
C | the lug nut is loose. |
D | the lug nut is cheap. |
Question 35 |
A | Muscle control and coordination are affected. |
B | Judgment and self-control are the first to be affected. |
C | All of these things happen. |
D | The drinker's brain is increasingly affected. |
Question 36 |
A | neither of these. |
B | both of these. |
C | the legal weight limits. |
D | the weight of the liquid. |
Question 37 |
A | you are driving on hilly, rural roads. |
B | you are driving on the freeway. |
C | road conditions are excellent. |
D | the road is wet, icy, or snow covered. |
Question 38 |
A | two |
B | three |
C | one |
D | four |
Question 39 |
A | Using turn signals, 4-way flashers, headlights, and the horn. |
B | Using your CB radio or cell phone to inform others. |
C | Using a helper when backing up. |
D | Using hand signals. |
Question 40 |
A | three times |
B | four times |
C | half |
D | two times |
Question 41 |
A | Load more weight over the drive axle for better traction. |
B | Load cargo toward the rear of the truck for easier unloading. |
C | Load cargo weight evenly over all the axles. |
D | Load more cargo toward the front of the truck for a full load. |
Question 42 |
A | generally used when freight is carried part way by rail or ship. |
B | exempt from weight limit restrictions. |
C | exempt from height restrictions. |
D | exempt from hazardous materials restrictions. |
Question 43 |
A | bad tires. |
B | poorly adjusted brakes. |
C | driving too slow for road conditions. |
D | driving too fast for road conditions. |
Question 44 |
A | keep the cargo as close to the ground as possible. |
B | downshift into the turn. |
C | keep two hands firmly planted on the steering wheel at all times. |
D | check to make sure that the brakes are properly balanced. |
Question 45 |
A | load is properly secured. |
B | placard numbers match the seal numbers. |
C | seal is secure. |
D | seal is authentic. |
Question 46 |
A | the end of the kingpin is even with the top of the fifth wheel. |
B | the kingpin is about 1¼ inches above the fifth wheel. |
C | it will be raised slightly when the tractor is backed under it. |
D | the end of the kingpin is at waist level. |
Question 47 |
A | to make your vehicle look official. |
B | to combat terrorism. |
C | to warn others of hazardous materials. |
D | to avoid mixing hazmat with food. |
Question 48 |
A | Perception distance, slowing distance, and braking distance. |
B | Perception distance, response distance, and reaction distance. |
C | Observation distance, reaction distance, and slowing distance. |
D | Perception distance, reaction distance, and braking distance. |
Question 49 |
A | It depends on what mood you are in at the time. |
B | The same amount of stopping distance. |
C | Shorter stopping distance. |
D | Greater stopping distance. |
Question 50 |
A | Gasoline fire. |
B | Grease fire. |
C | None of these fires can be safely extinguished by water. |
D | Electrical fire. |
← | List | → |
1 | 2 | 3 | 4 | 5 |
6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 |
16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 |
26 | 27 | 28 | 29 | 30 |
31 | 32 | 33 | 34 | 35 |
36 | 37 | 38 | 39 | 40 |
41 | 42 | 43 | 44 | 45 |
46 | 47 | 48 | 49 | 50 |
End |
Remember, the General Knowledge Practice Test doesn’t reveal the correct answers until the test is over. The questions and answers are given in random order each time you retake the test. When you are finished testing, simply click on the “Get Results” button to see your test results. Clicking on the blue “List” button will reveal a list of all the questions you answered correctly and incorrectly. To take the test again, just refresh your browser window.
Press the start button to begin your free General Knowledge Practice Test. Good luck!
General Knowledge CDL Practice Test
Question 1 |
A | Perception distance, response distance, and reaction distance. |
B | Observation distance, reaction distance, and slowing distance. |
C | Perception distance, slowing distance, and braking distance. |
D | Perception distance, reaction distance, and braking distance. |
Question 2 |
A | seal is authentic. |
B | placard numbers match the seal numbers. |
C | seal is secure. |
D | load is properly secured. |
Question 3 |
A | The drinker's brain is increasingly affected. |
B | All of these things happen. |
C | Muscle control and coordination are affected. |
D | Judgment and self-control are the first to be affected. |
Question 4 |
A | leaks |
B | burning |
C | rubbing |
D | rust |
Question 5 |
A | need less space ahead than full trucks |
B | have better traction when stopping than full trucks |
C | have the same stopping distance as full trucks |
D | require greater stopping distance than full trucks |
Question 6 |
A | turn wide before you start the turn |
B | start the turn, then back up to re-position |
C | turn right and drive over the curb |
D | turn wide as you complete the turn |
Question 7 |
A | to warn others of hazardous materials. |
B | to combat terrorism. |
C | to avoid mixing hazmat with food. |
D | to make your vehicle look official. |
Question 8 |
A | the load can catch fire easily. |
B | the load can shift. |
C | the load should not get wet. |
D | a dry bulk tank should only be filled halfway. |
Question 9 |
A | one |
B | two |
C | three |
D | four |
Question 10 |
A | increases when the service brakes are hot. |
B | depends on the service brakes being in adjustment. |
C | decreases when the service breaks are hot. |
D | is not affected by the condition of the service brakes. |
Question 11 |
A | it is absolutely necessary. |
B | you will be parked for a short time. |
C | testing the trailer brakes after hooking up to a trailer. |
D | there is ice and snow, to prevent skidding. |
Question 12 |
A | under-inflated tires, dual tires that touch |
B | dual tires that touch, hot road surfaces |
C | poor-quality retreads, under-inflated tires |
D | over-heated brakes, under-inflated tires |
Question 13 |
A | before operating the vehicle. |
B | if any problems occurred the last the time the vehicle was operated. |
C | whenever you stop to refuel. |
D | at least once a week. |
Question 14 |
A | Because some liquids expand more than others when they get warm. |
B | Because it's good to know that information. |
C | Because some of the heaviest liquids don’t need any. |
D | Because tank baffles are not always legal with outage. |
Question 15 |
A | To see the blind spots you can't see. |
B | To prevent others from distracting you. |
C | To direct traffic away from you. |
D | To watch for steering errors. |
Question 16 |
A | make sure you are driving slow enough so you can stop within the range of your headlights in case of an emergency. |
B | roll down your window so that the fresh air will help keep you awake. |
C | keep your high beams on at all times. |
D | drink coffee or other caffeine products to help keep you awake. |
Question 17 |
A | two times |
B | three times |
C | four times |
D | half |
Question 18 |
A | overinflated tires |
B | loose fuel connections |
C | both loose fuel connections and under inflated tires |
D | underinflated tires |
Question 19 |
A | It depends on what mood you are in at the time. |
B | Greater stopping distance. |
C | Shorter stopping distance. |
D | The same amount of stopping distance. |
Question 20 |
A | to ensure safety for yourself, your passengers, and other drivers. |
B | because law enforcement may inspect your vehicle on the road. |
C | because it is a requirement for all drivers. |
D | to help ensure the vehicle will make it to your destination. |
Question 21 |
A | Load more cargo toward the front of the truck for a full load. |
B | Load more weight over the drive axle for better traction. |
C | Load cargo weight evenly over all the axles. |
D | Load cargo toward the rear of the truck for easier unloading. |
Question 22 |
A | exempt from hazardous materials restrictions. |
B | generally used when freight is carried part way by rail or ship. |
C | exempt from height restrictions. |
D | exempt from weight limit restrictions. |
Question 23 |
A | one half inch |
B | two inches |
C | three inches |
D | one inch |
Question 24 |
A | none of these. |
B | three or more. |
C | five or more. |
D | seven or more. |
Question 25 |
A | you release pressure on the brake pedal and speed increases. |
B | you have to push harder and harder to get the same stopping power on a downgrade. |
C | there is a slight vibration when you press down on the brake pedal. |
D | the brake pedal feels firm when you apply pressure. |
Question 26 |
A | offtracking. |
B | slidetracking. |
C | fishtailing. |
D | sidetracking. |
Question 27 |
A | driving too slow for road conditions. |
B | poorly adjusted brakes. |
C | driving too fast for road conditions. |
D | bad tires. |
Question 28 |
A | use windshield washer fluid as coolant. |
B | check the coolant level of a hot engine. |
C | safely remove the radiator cap and add coolant while the engine is hot. |
D | use only water in the cooling system. |
Question 29 |
A | the road is wet, icy, or snow covered. |
B | road conditions are excellent. |
C | you are driving on the freeway. |
D | you are driving on hilly, rural roads. |
Question 30 |
A | The same amount of space you would on a dry road. |
B | The same amount of space you would at night. |
C | More space than is needed for ideal driving conditions. |
D | One vehicle length for every 10,000 lb. of gross vehicle weight. |
Question 31 |
A | the wheel needs cleaning. |
B | the lug nut is cheap. |
C | the lug nut needs to be replaced. |
D | the lug nut is loose. |
Question 32 |
A | before starting down a hill and before going up a hill. |
B | before starting down a hill and before entering a tunnel. |
C | before starting down a hill and before entering a curve. |
D | before going up a hill and before entering a curve. |
Question 33 |
A | Road construction zones. |
B | All of these are considered a hazard. |
C | A stopped transit bus. |
D | Pedestrians and bicyclists. |
Question 34 |
A | A minimum of one. |
B | A minimum of two. |
C | A minimum of three. |
D | A minimum of four. |
Question 35 |
A | Keep your low beam lights on. |
B | Warn other drivers by using your left turn signal lights. |
C | Turn on your 4-way emergency flashers to warn other drivers. |
D | Put your warning devices out within 15 minutes. |
Question 36 |
A | the trailer is out of brake adjustment. |
B | the trailer is empty or lightly loaded. |
C | the trailer is fully loaded or very heavy. |
D | the trailer is being hauled at high speed. |
Question 37 |
A | vehicles, traffic signs |
B | tunnels, overpasses |
C | law enforcement officers, detours |
D | truck stops, gas stations |
Question 38 |
A | 3/32-inch in every major groove. |
B | 4/32-inch in every major groove. |
C | 5/32-inch in every major groove. |
D | 2/32-inch in every major groove. |
Question 39 |
A | you want to avoid doing something all of a sudden. |
B | you want to have a plan to communicate the risk. |
C | it is a federal law. |
D | you want to have time to act before it turns into an emergency. |
Question 40 |
A | Downshift after you are in the curve. |
B | Turn on your four-way flashers as you approach the offramp. |
C | Slow to a safe speed before the curve. |
D | Nothing, because the posted speed limit for the offramp is usually 10 miles per hour below the safe speed limit for the offramp. |
Question 41 |
A | check to make sure that the brakes are properly balanced. |
B | keep the cargo as close to the ground as possible. |
C | downshift into the turn. |
D | keep two hands firmly planted on the steering wheel at all times. |
Question 42 |
A | turn up the radio. |
B | slap yourself in the face three times. |
C | roll down the windows. |
D | stop to sleep. |
Question 43 |
A | the legal weight limits. |
B | neither of these. |
C | the weight of the liquid. |
D | both of these. |
Question 44 |
A | sunglasses |
B | rear view cameras |
C | mirrors |
D | rolled down windows |
Question 45 |
A | Move forward slowly and push firmly on the brake pedal. |
B | Pump the brake pedal 3 times; push the pedal firmly 5 seconds; the pedal should not move. |
C | Push the brake pedal firmly 5 seconds; listen for leaks. |
D | Pump the brake pedal 5 times; push the pedal firmly 3 seconds; the pedal should not move. |
Question 46 |
A | it will be raised slightly when the tractor is backed under it. |
B | the kingpin is about 1¼ inches above the fifth wheel. |
C | the end of the kingpin is at waist level. |
D | the end of the kingpin is even with the top of the fifth wheel. |
Question 47 |
A | Play in the steering wheel of more than ten degrees (two inches on a 20-inch steering wheel). |
B | Play in the steering wheel of more than five degrees. |
C | Too many vertical stacks. |
D | Oil on the tie rod. |
Question 48 |
A | Shift the truck into neutral and coast down the hill to save gas. |
B | Use a higher gear than you would use to climb the hill. |
C | Use the same gear you would use to climb the hill. |
D | Use a lower gear than you would use to climb the hill. |
Question 49 |
A | Grease fire. |
B | None of these fires can be safely extinguished by water. |
C | Electrical fire. |
D | Gasoline fire. |
Question 50 |
A | Using a helper when backing up. |
B | Using hand signals. |
C | Using your CB radio or cell phone to inform others. |
D | Using turn signals, 4-way flashers, headlights, and the horn. |
← | List | → |
1 | 2 | 3 | 4 | 5 |
6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 |
16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 |
26 | 27 | 28 | 29 | 30 |
31 | 32 | 33 | 34 | 35 |
36 | 37 | 38 | 39 | 40 |
41 | 42 | 43 | 44 | 45 |
46 | 47 | 48 | 49 | 50 |
End |
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